1/* 2 * Copyright (C) 2010 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include "config.h" 32 33#if ENABLE(WORKERS) 34 35#include "V8WorkerContextErrorHandler.h" 36 37#include "ErrorEvent.h" 38#include "V8Binding.h" 39 40namespace WebCore { 41 42V8WorkerContextErrorHandler::V8WorkerContextErrorHandler(v8::Local<v8::Object> listener, bool isInline, const WorldContextHandle& worldContext) 43 : V8WorkerContextEventListener(listener, isInline, worldContext) 44{ 45} 46 47v8::Local<v8::Value> V8WorkerContextErrorHandler::callListenerFunction(ScriptExecutionContext* context, v8::Handle<v8::Value> jsEvent, Event* event) 48{ 49 ASSERT(event->isErrorEvent()); 50 v8::Local<v8::Object> listener = getListenerObject(context); 51 v8::Local<v8::Value> returnValue; 52 if (!listener.IsEmpty() && listener->IsFunction()) { 53 ErrorEvent* errorEvent = static_cast<ErrorEvent*>(event); 54 v8::Local<v8::Function> callFunction = v8::Local<v8::Function>::Cast(listener); 55 v8::Local<v8::Object> thisValue = v8::Context::GetCurrent()->Global(); 56 v8::Handle<v8::Value> parameters[3] = { v8String(errorEvent->message()), v8String(errorEvent->filename()), v8::Integer::New(errorEvent->lineno()) }; 57 returnValue = callFunction->Call(thisValue, 3, parameters); 58 if (!returnValue.IsEmpty() && returnValue->IsBoolean() && !returnValue->BooleanValue()) 59 event->preventDefault(); 60 } 61 return returnValue; 62} 63 64} // namespace WebCore 65 66#endif // WORKERS 67